Home / 1,047,846.86-1,568,637.35-641,760.34

Finding the Fourth Proportional to 1,047,846.86, 1,568,637.35 and 641,760.34

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Solution

The fourth proportional to 1,047,846.86, 1,568,637.35 and 641,760.34 is: 960,721.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,846.86 : 1,568,637.35 = 641,760.34 : x
  2. Step 2: Convert to fraction form
    1,047,846.86/1,568,637.35 = 641,760.34/x
  3. Step 3: Cross multiply
    1,047,846.86x = 1,568,637.35 × 641,760.34
  4. Step 4: Simplify right side
    1,047,846.86x = 1,006,689,239,072.70
  5. Step 5: Solve for x
    x = 1,006,689,239,072.70/1,047,846.86
  6. Step 6: Final answer
    x = 960,721.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.